127505026000069 has 2 divisors, whose sum is σ = 127505026000070. Its totient is φ = 127505026000068.

The previous prime is 127505026000021. The next prime is 127505026000081. The reversal of 127505026000069 is 960000620505721.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 125240943032100 + 2264082967969 = 11191110^2 + 1504687^2 .

It is a cyclic number.

It is not a de Polignac number, because 127505026000069 - 2⁷ = 127505025999941 is a prime.

It is a super-2 number, since 2×127505026000069² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 127505025999989 and 127505026000034.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (127505026000369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63752513000034 + 63752513000035.

It is an arithmetic number, because the mean of its divisors is an integer number (63752513000035).

Almost surely, 2^{127505026000069} is an apocalyptic number.

It is an amenable number.

127505026000069 is a deficient number, since it is larger than the sum of its proper divisors (1).

127505026000069 is an equidigital number, since it uses as much as digits as its factorization.

127505026000069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 226800, while the sum is 43.

The spelling of 127505026000069 in words is "one hundred twenty-seven trillion, five hundred five billion, twenty-six million, sixty-nine", and thus it is an aban number.